Biology Ecosystem Test Mcqs Online Preparation

Biology Ecosystem Test Mcqs With Answers Online Preparation Start Below

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Question 1 of 15

1. In nitrogen cycle, bacteria that converts relatively toxic nitrite to nitrate is:
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. Which ecological term refers to more than one species.
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. Which of the following is biotic component of ecosystem?
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. During which stage of succession dermatocarpon and permellia develops
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. Competition among the members of the same species is:
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. Food web is made of
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. An ecosystem without its abiotic factors is known as:
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. Ecology is mainly concerned with:
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Competition among species will be greatest if they attempt to occupy the same.
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. Which of the following in not recycled in ecosystem.
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. Incorrect statement about niche is
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. Dandruff in hair is caused by:
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. The association in which only one organism gets benefits from the association is:
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. A sequence of change in the community structure of an ecosystem over a period of time is called
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Herbivors are
A.
B.
C.
D.

Question 15 of 15


 

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